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Finding the Third Proportional to 774,327 and 1,698,220.50

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Solution

The third proportional to 774,327 and 1,698,220.50 is: 3,724,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,327 : 1,698,220.50 = 1,698,220.50 : x
  2. Step 2: Convert to fraction form
    774,327/1,698,220.50 = 1,698,220.50/x
  3. Step 3: Cross multiply
    774,327x = 1,698,220.50 × 1,698,220.50
  4. Step 4: Simplify right side
    774,327x = 2,883,952,866,620.25
  5. Step 5: Solve for x
    x = 2,883,952,866,620.25/774,327
  6. Step 6: Final answer
    x = 3,724,463.78

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.